https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties#Custom_property_fallback_values

.three {
  background-color: var(--my-var, var(--my-background, pink));
--border-color: linear-gradient(to top, var(--secondary-color), var(--used-color, white));
}

I'm submitting a...

[x] Feature request

Current behavior

When an element that you expect to be visible is not, the error message is Expected element to be visible.

Expected behavior

The error message would include the matcher used to try to find the element.

Minimal reproduction of the problem with instructions

For bug reports please provide the STEPS TO REPRODUCE